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EP3927222B1 - Système de lavage pour nettoyer un produit à nettoyer comportant au moins un espace creux - Google Patents

Système de lavage pour nettoyer un produit à nettoyer comportant au moins un espace creux Download PDF

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Publication number
EP3927222B1
EP3927222B1 EP20705945.2A EP20705945A EP3927222B1 EP 3927222 B1 EP3927222 B1 EP 3927222B1 EP 20705945 A EP20705945 A EP 20705945A EP 3927222 B1 EP3927222 B1 EP 3927222B1
Authority
EP
European Patent Office
Prior art keywords
compressed
dishwasher
fluid
gas
cleaning
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP20705945.2A
Other languages
German (de)
English (en)
Other versions
EP3927222A1 (fr
Inventor
Vera Schneider
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Meiko Maschinenbau GmbH and Co KG
Original Assignee
Meiko Maschinenbau GmbH and Co KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
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Publication of EP3927222A1 publication Critical patent/EP3927222A1/fr
Application granted granted Critical
Publication of EP3927222B1 publication Critical patent/EP3927222B1/fr
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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L15/00—Washing or rinsing machines for crockery or tableware
    • A47L15/42—Details
    • A47L15/48—Drying arrangements
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L15/00—Washing or rinsing machines for crockery or tableware
    • A47L15/14—Washing or rinsing machines for crockery or tableware with stationary crockery baskets and spraying devices within the cleaning chamber
    • A47L15/16—Washing or rinsing machines for crockery or tableware with stationary crockery baskets and spraying devices within the cleaning chamber with rigidly-mounted spraying devices
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L15/00—Washing or rinsing machines for crockery or tableware
    • A47L15/0002—Washing processes, i.e. machine working principles characterised by phases or operational steps
    • A47L15/0007—Washing phases
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L15/00—Washing or rinsing machines for crockery or tableware
    • A47L15/0002—Washing processes, i.e. machine working principles characterised by phases or operational steps
    • A47L15/0013—Drying phases, including dripping-off phases
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L15/00—Washing or rinsing machines for crockery or tableware
    • A47L15/0076—Washing or rinsing machines for crockery or tableware of non-domestic use type, e.g. commercial dishwashers for bars, hotels, restaurants, canteens or hospitals
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L15/00—Washing or rinsing machines for crockery or tableware
    • A47L15/42—Details
    • A47L15/4278—Nozzles
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L15/00—Washing or rinsing machines for crockery or tableware
    • A47L15/42—Details
    • A47L15/50—Racks ; Baskets
    • A47L15/508—Hydraulic connections for racks
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L2601/00—Washing methods characterised by the use of a particular treatment
    • A47L2601/02—Pressurised cleaning liquid delivered by a pump

Definitions

  • the invention relates to a rinsing system and a method for cleaning items to be cleaned with at least one cavity.
  • the rinsing system and the method can be used for cleaning vessels, in particular for cleaning bottles.
  • the invention can be used in particular in the field of dishwashing technology, in particular in the field of commercial dishwashing technology.
  • the invention can be used in particular in large kitchens in which items to be cleaned, for example trays, dishes and cutlery, have to be cleaned in large quantities.
  • the invention can be used to clean bottles, for example bottles for table water in restaurants, or other bottle-like objects such as wine decanters, lemonade jugs or similar items to be cleaned with at least one cavity.
  • other areas of application are also conceivable in principle.
  • cleaning devices also referred to as cleaning devices, are known from the state of the art, which can clean and/or disinfect items to be cleaned.
  • the design of these cleaning devices depends largely on the various boundary conditions, such as the type of item to be cleaned, the contamination, the throughput or similar conditions.
  • cleaning devices which, for example, are used in DE 10 2004 056 052 A1 or in DE 10 2007 025 263 A1 described.
  • washing baskets which can be used in dishwashers and which have a nozzle system for attaching the bottles.
  • Dishmachines www.cmadishmachines.com
  • a bottle rinsing basket device for a commercial dishwasher with two separate rinsing systems, which comprises a basket carrier and a rinsing basket for receiving bottles to be cleaned.
  • the basket carrier comprises a docking device with at least two separate feed channels
  • the rinsing basket comprises a distribution system with a distribution flange that can be connected to the docking device of the basket carrier.
  • a dispensing pipe for dispensing liquid onto bottles to be cleaned is provided, which is connected to a common distribution channel of a distribution system, wherein liquids from each of the two rinsing systems can be supplied to this dispensing pipe via the common distribution channel.
  • drying the items to be cleaned particularly the hollow space, i.e. the inner walls of the items to be cleaned
  • the individual items to be cleaned would have to be turned over after a rinsing process and a subsequent dripping phase so that their openings are facing upwards. The residual moisture can then evaporate and escape upwards, ensuring drying.
  • this process would require interrupting a program and manual intervention, which would be difficult to achieve, particularly in the area of commercial dishwashing technology, as it would be extremely time-consuming and would also require a high level of personnel expenditure.
  • a device for rinsing and vacuum drying long-necked laboratory bottles comprises a basket which can be rolled into a rinsing chamber and which comprises a distributor pipe. Upright tubes extend from the distributor pipe into the bottles. After being exposed to water, the bottles can be subjected to a vacuum through the tubes, whereby a vacuum blower sucks moist air out of the bottles during drying and replaces it with drier air from the rinsing chamber.
  • the rinsing chamber usually still contains warm, moist air, which flows into the cavity when it is sucked out, so that moist air still remains in the cavity and can have a negative impact on the drying result.
  • a dishwasher which comprises a trolley which can be inserted into a washing chamber of the dishwasher and which has holders as well as common pipes for the washing liquid and the drying air.
  • a basket insert for a dishwasher which has a pipe system for supplying rinsing water and another separate pipe system for supplying a rinsing fluid, such as distilled water, completely demineralized water, steam or lye.
  • the terms “have”, “have”, “comprise” or “include” or any grammatical variations thereof are used in a non-exclusive manner. Accordingly, these terms can refer both to situations in which, in addition to the features introduced by these terms, no further features are present, or to situations in which one or more further features are present.
  • the expression “A has B”, “A has B”, “A comprises B” or “A includes B” can refer both to the situation in which, apart from B, no further element is present in A (i.e. to a situation in which A consists exclusively of B), and to the situation in which, in addition to B, one or more further elements are present in A, for example element C, elements C and D or even further elements.
  • the terms “at least one” and “one or more” and grammatical variations of these terms when used in connection with one or more elements or features and intended to express that the element or feature can be provided once or multiple times, are generally only used once, for example when the feature or element is introduced for the first time. When the feature or element is subsequently mentioned again, the corresponding term “at least one” or “one or more” is generally no longer used, without limiting the possibility that the feature or element can be provided once or multiple times.
  • a rinsing system for cleaning items to be cleaned with at least one cavity comprises at least one dishwasher, which in turn comprises at least one cleaning chamber for receiving the items to be cleaned.
  • the dishwasher further comprises at least one application device for applying at least one cleaning fluid to the items to be cleaned.
  • the dishwasher further comprises at least one pressurization device for applying compressed gas, in particular compressed air, to the items to be cleaned.
  • the rinsing system further comprises at least one rinsing basket that can be introduced into the cleaning chamber, with at least one basket base and a plurality of nozzles extending from the basket base, wherein at least one compressed gas supply is provided in the basket base, wherein at least one compressed gas channel is provided in each of the nozzles, wherein the compressed gas supply is fluidically connected to the compressed gas channel.
  • the application device is designed to apply the cleaning fluid to the cavity of the items to be cleaned that are placed on the nozzles in at least one cleaning step, also referred to as the rinsing step, by means of the nozzles.
  • the dishwasher is also designed to apply compressed gas to the cavity of the items to be cleaned that are placed on the nozzles in at least one drying step, for example in a drying step following the cleaning step, by means of the nozzles and thereby dry them.
  • the rinsing system is designed in such a way that the items to be cleaned are applied with the cleaning fluid, at least one fluid feed that is designed separately from the compressed gas feed is provided in the basket base, and at least one fluid channel that is designed separately from the compressed gas channel is provided in each of the nozzles, wherein the rinsing system is designed to apply cleaning fluid to the fluid feed and the fluid channel by means of the application device and to apply compressed gas to the compressed gas feed and the compressed gas channel separately by means of the pressure application device.
  • cleaning is a broad term which should be given its usual and common meaning as understood by the person skilled in the art.
  • the term is not restricted to a specific or adapted meaning.
  • the term can, without limitation, refer in particular to a process in which items to be cleaned are freed of adhering macroscopic or even microscopic contaminants and/or in which such contaminants are at least partially removed.
  • a disinfection effect can optionally be exerted.
  • the term "item to be cleaned” as used here is a broad term to which its usual and common meaning should be given, as understood by the person skilled in the art.
  • the term is not limited to a specific or adapted meaning.
  • the term can, without limitation, refer in particular to any objects that can be cleaned by means of the cleaning device.
  • One object can be cleaned, or several objects can be cleaned simultaneously or sequentially.
  • the object to be cleaned can be objects that are used directly or indirectly for the preparation, storage or serving of food.
  • the object to be cleaned as stated above, include one or more bottles. Other configurations of the items to be cleaned are also possible in principle.
  • washwasher as used here is a broad term which should be given its usual and common meaning as understood by the person skilled in the art. The term is not restricted to a specific or adapted meaning. The term can, without restriction, refer in particular to a device which is designed to free items to be cleaned of adhering macroscopic or microscopic contaminants or to at least partially remove such contaminants. In addition, a disinfection effect can optionally be exerted.
  • the dishwasher can, as explained in more detail below, be designed in particular as a dishwashing machine.
  • the dishwasher can be designed, for example, as a single-chamber dishwasher, in particular as a commercial single-chamber dishwasher with a multi-circuit rinsing system, or as a hood dishwasher, in particular as a pass-through dishwasher. Examples are explained in more detail below.
  • cleaning chamber is a broad term to which its usual and common meaning should be given, as understood by those skilled in the art.
  • the term is not restricted to a specific or adapted meaning.
  • the term can, without limitation, refer in particular to a completely or partially closed chamber within which the cleaning process can be carried out completely or partially.
  • the cleaning chamber can in particular have at least one housing which completely or partially encloses the cleaning chamber.
  • a single cleaning chamber can be provided, or in principle several cleaning chambers can also be provided, for example sequentially.
  • the cleaning chamber can, for example, have at least one opening for loading the cleaning chamber with the items to be cleaned. For example, this can be an opening with a flap arranged on a front side of the cleaning chamber and/or a top side of the cleaning chamber.
  • hoods for closing the cleaning chamber are also possible, for example in the context of so-called hood dishwashers or pass-through dishwashers. Other designs are also possible in principle.
  • the term "loading device” as used herein is a broad term which is to be given its ordinary and common meaning as understood by those skilled in the art. The term is not limited to any specific or adapted meaning. The term may, without limitation, refer in particular to a fundamentally any device by means of which the items to be cleaned within the cleaning chamber can be exposed to the cleaning fluid, in particular cleaning liquid.
  • the exposure device can in particular, as explained in more detail below, comprise at least one nozzle system.
  • the exposure device can comprise at least one pump and at least one line system for providing cleaning liquid to the nozzle system.
  • a nozzle system and a line system for applying cleaning liquid from a tank can be provided, as well as at least one corresponding pump.
  • At least one nozzle system can also be exposed directly from a supply line, without a pump being required for this.
  • the dishwasher can, for example, be set up to carry out a cleaning program by means of the exposure device, in which the items to be cleaned are held stationary in the cleaning chamber and are successively exposed to cleaning fluid in different ways in one or more cleaning steps of the cleaning program, for example first in at least one washing step with the at least one washing fluid and in at least one rinsing step with the at least one rinsing fluid.
  • at least one drying step can be provided, which can be carried out, for example, in one cleaning chamber after the cleaning fluid has been applied when the items to be cleaned are held stationary.
  • pressurization device is a broad term which is to be given its usual and common meaning as understood by those skilled in the art. The term is not limited to a specific or adapted meaning.
  • the term can, without limitation, refer in particular to a device which is designed to provide at least one gas, in particular air, at a pressure above normal pressure, for example a pressure of at least 1.2 bar, preferably a pressure of at least 1.5 bar or even 2 bar.
  • the pressurization device can comprise its own compressed gas source or its own device for generating compressed gas, and/or can comprise at least one device which can provide compressed gas from an external source to the dishwasher, for example a pressure nozzle, a pressure reducer or a pressure connection.
  • washing basket is a broad term to which it is to be given its ordinary and common meaning as understood by those skilled in the art. The term is not limited to any special or adapted meaning.
  • the term can, without limitation, refer in particular to a portable holding device in which items to be cleaned can be picked up, placed in a dishwasher and then removed from the dishwasher in a cleaned state.
  • dishwashing baskets can also be used for temporary storage of items to be cleaned, for example cleaned glasses or bottles.
  • the dishwashing basket can in particular have a large number of openings so that liquid can drip down.
  • the washing basket can in particular have a substantially cuboid shape, with a basket base which can, for example, have a square or generally rectangular outline, and which has a support surface for placing the washing basket on a flat work surface.
  • a basket frame can optionally extend upwards from the basket base, for example with a raised edge and also optionally other elements such as handles.
  • the washing basket comprises the basket base.
  • the term "basket base” as used here is a broad term which is to be given its usual and common meaning as understood by those skilled in the art. The term is not limited to a specific or adapted meaning.
  • the term can, without limitation, refer in particular to an element which closes off the washing basket at the bottom when it rests on a support surface.
  • the basket base can in particular be designed to be substantially flat. For example, it can have a flat support surface on its underside.
  • the basket base can also be designed to be substantially flat on its surface, for example.
  • the basket base can in particular be designed to be square or generally rectangular.
  • the basket base can for example be made entirely or partially from a plastic material, in particular from a thermoplastic plastic material.
  • the basket base can also have a plurality of openings which allow liquid to drain through the basket base.
  • the washing basket further comprises a plurality of nozzles extending from the basket base.
  • the basket base can have a bottom with a support surface for placing the washing basket on a work surface, as well as an upper side opposite the bottom and essentially parallel to the bottom, with the nozzles extending from the upper side.
  • the nozzles can be essentially perpendicular to the upper side and/or to a plane of the washing basket, for example, a plane in which the support surface is arranged. Deviations from a vertical orientation can also be acceptable, for example deviations of up to 45°, for example in order to be able to accommodate bottles at an angle in the washing basket.
  • the nozzles can, for example, extend at least 40 mm from the basket base, for example 50 mm to 200 mm.
  • the nozzles can, for example, extend into a basket interior, which can be bordered by the basket base and a basket frame.
  • nozzle as used here is a broad term to which its usual and common meaning should be given, as understood by those skilled in the art.
  • the term is not restricted to a specific or adapted meaning.
  • the term can, without restriction, refer in particular to a device which is designed to apply a fluid, i.e. at least one liquid and/or at least one gas, to another object, for example by spraying, blowing or dripping it.
  • the nozzle can in particular have a nozzle body in which one or more supply lines are arranged, as well as at least one nozzle opening through which the liquid can exit the nozzle, for example as a jet, beam or drop.
  • the nozzle body can in particular be made entirely or partially from at least one plastic material.
  • the nozzle body can in particular be designed to be essentially elongated, with a length which exceeds a diameter by at least a factor of 2, in particular by at least a factor of 3 or at least a factor of 4.
  • the nozzle body can for example be designed to be essentially cylindrical.
  • one or more fluid feeds can be provided in the basket base.
  • the fluid feeds can, for example, comprise at least one washing fluid feed and at least one rinsing fluid feed, whereby these two fluid feeds can be designed together or separately.
  • the term "fluid feed” as used here is a broad term to which its usual and common meaning should be given, as understood by the person skilled in the art. The term is not restricted to a specific or adapted meaning.
  • the term can, without limitation, refer in particular to any channel or channel structure which enables a supply of fluid, in particular washing fluid and rinsing fluid, into the washing basket and to the nozzles from the outside.
  • the at least one fluid feed can in particular comprise one, two or more channels which are integrated in the basket base.
  • the at least one fluid feed can, for example, be connected to at least one opening through which a fluid supply from the outside is possible, that is, for example, at least one washing fluid opening of the at least one washing fluid supply and at least one rinsing fluid opening of the at least one rinsing fluid supply, or alternatively a common opening for the fluid supply.
  • fluid as used here in connection with the terms "washing fluid” and "rinse fluid” is a broad term which should be given its usual and common meaning as understood by the person skilled in the art.
  • the term is not restricted to a specific or adapted meaning.
  • the term can, without restriction, refer in particular to a liquid which, when it comes into contact with the items to be cleaned, can have a cleaning effect.
  • the fluid can comprise an aqueous liquid, for example water and/or water with one or more additives, for example with one or more cleaning concentrates and/or rinse aids and/or disinfectants.
  • a washing fluid can be understood to mean, for example, a fluid which can be used for a washing process and which can comprise, for example, water and cleaning concentrate.
  • the rinse fluid can, for example, have a higher temperature than the washing fluid and can, for example, also comprise water, but which can, for example, be mixed with a rinse aid.
  • the nozzles can, for example, each have at least one fluid channel, i.e. a fluid line which fluidically connects at least one nozzle opening of the nozzle to the at least one fluid supply.
  • the fluid can exit through the nozzle opening and act on the item to be cleaned.
  • a single fluid channel and a single nozzle opening can be provided, or separate channels and separate openings can also be provided.
  • the application device is designed to apply the cleaning fluid, in particular at least one cleaning liquid, to the cavity of the cleaning item placed on the nozzles in at least one cleaning step by means of the nozzles, and to apply compressed gas to the cavity of the cleaning item placed on the nozzles in at least one drying step by means of the nozzles.
  • the rinsing system in particular the dishwasher, can have at least one control system which is designed to control at least one program which comprises at least the cleaning step and the drying step as program steps, in particular as separate program steps.
  • one or more cleaning steps in which the cleaning fluid, in particular the cleaning liquid, is applied for example first at least one washing step with application of washing fluid and then at least one rinsing step with application of rinsing fluid, wherein the at least one cleaning step is directly or indirectly followed by at least one drying step with application of the compressed gas.
  • the dishwasher can in particular be designed as a program machine.
  • One or more special cleaning programs can be provided for cleaning with the described washing basket.
  • a regular cleaning program with at least one washing step and at least one rinsing step can be provided.
  • one or more further programs can be provided which fulfill special functions.
  • one or more programs can also be provided which include at least one descaling step for descaling the items to be cleaned using the nozzles, for example using a special descaling chemical in the washing fluid.
  • at least one bottle cleaning program can be provided in which at least one washing step and/or at least one rinsing step are provided, which do not run continuously, but in which the application of washing fluid and/or rinsing fluid is interrupted once or several times.
  • the application of washing fluid can be interrupted, although the application of rinsing fluid can also take place continuously.
  • the circulation of washing fluid in circulation mode can be carried out with time interruptions.
  • the interruption of the application of fluid can in particular lead to the filling of an interior of the containers with fluid, in particular an interior of the bottles, being prevented, since the narrow bottle neck often prevents sufficient drainage of the fluid.
  • the interruptions allow any accumulated washing fluid and/or rinsing fluid to flow out of the interior so that it does not impair the jet that starts again in the bottle and thus ensures good cleaning performance.
  • the proposed rinsing system can in particular enable efficient drying of the items to be cleaned.
  • the rinsing system can be implemented with comparatively little equipment and still achieve a reliable drying result.
  • the use of a special fan, which is suitable for conveying moist air, is generally not necessary.
  • easy handling of the rinsed items to be cleaned can be ensured.
  • a reliable drying result can by a forced exchange of air within the cavities of the items being cleaned, for example inside the bottles.
  • the pressurization device can in particular comprise at least one fan integrated in the dishwasher.
  • This fan can, for example, comprise at least one fan wheel.
  • it can be a fan wheel driven by an electric motor.
  • the fan can in particular be integrated in a locking device of the dishwasher, in particular in a door.
  • the dishwasher can comprise a front-loading dishwasher, for example a front-loading dishwasher designed as a programmable machine, wherein the fan can be integrated, for example, in a door designed as a front flap, for example in a panel of the door or front flap.
  • the fan can also be arranged, for example, on an outside of the door.
  • the fan can, for example, be integrated in this other type of locking device.
  • the fan can also be fully or partially integrated in other components of the dishwasher.
  • the fan can in particular comprise at least one energy supply, for example at least one power supply unit for an external energy supply and/or at least one energy storage unit.
  • the energy supply can be selected from the group consisting of: an external energy supply, in particular via at least one power supply unit; an energy storage unit, in particular an accumulator; an inductive energy supply.
  • the pressurization device can also use a pressurization based on a compressed gas source arranged outside the dishwasher.
  • a compressed gas source arranged outside the dishwasher.
  • This can be, for example, an external compressor, an external compressed gas bottle or also a compressed gas line on site.
  • the pressurization device of the dishwasher can have at least one compressed gas connection
  • the washing system can also have at least one external compressed gas source which is arranged entirely or partially outside the dishwasher.
  • the external compressed gas source can be connected to the compressed gas connection, for example by means of a hose connection and/or a pipe.
  • the dishwasher can have at least one pressure nozzle and/or another type of compressed gas connection, for example with a quick-release fastener and/or a screw connection, with the pressure nozzle being used to pressurize the dishwasher.
  • the external compressed gas source can in particular comprise at least one device selected from the group consisting of: an external drying unit, in particular an external blower and/or an external compressor; an on-site compressed gas line.
  • the rinsing system can further comprise at least one conditioning device to condition the compressed gas before it is applied to the items to be cleaned.
  • the term "conditioning device” as used here is a broad term to which its usual and common meaning should be given, as understood by those skilled in the art. The term is not limited to a specific or adapted meaning.
  • the term can, without limitation, refer in particular to a device which is designed to influence at least one property of the compressed gas before it is applied to the items to be cleaned, for example at least one property selected from the group consisting of: a purity of the compressed gas; a chemical composition of the compressed gas; a moisture content of the compressed gas; a particle load of the compressed gas; a germ load of the compressed gas.
  • the conditioning device can, for example, comprise at least one element selected from the group consisting of: a drying device; a filter; a temperature control device.
  • Separate line systems are provided for the at least one cleaning fluid and the compressed gas in the rinsing basket.
  • the dishwasher can in particular be set up in such a way that the pressurization device automatically couples to the pressurized gas supply.
  • This automatic coupling i.e. without a user having to separately operate a trigger mechanism, can take place, for example, as part of a program sequence, for example controlled by a controller of the dishwasher.
  • the automatic coupling can take place during a specific movement of the dishwasher, which serves at least one further purpose.
  • the dishwasher can in particular have at least one locking device, for example at least one door, in particular a front flap.
  • the pressurization device can be set up in such a way that this locking device automatically couples to the pressurized gas supply when it is closed, in particular by the pressurization device being pressed against the washing basket.
  • the pressurization device can in particular be fully or partially integrated into the locking device, for example the front flap.
  • the blower or a pressure nozzle connected to the blower or another gas-carrying part of the pressurization device can be pressed against a corresponding opening in the rinsing basket so that a gas-tight connection can be created.
  • the spray system can further comprise at least one connection adapter.
  • the connection adapter can in particular be designed to fluidically connect the pressurization device of the dishwasher to the washing basket introduced into the cleaning chamber.
  • the connection adapter can in particular be designed separately from the pressurization device.
  • connection adapter as used here is a broad term to which its usual and common meaning should be given, as understood by the person skilled in the art. The term is not restricted to a special or adapted meaning.
  • the term can, without limitation, refer in particular to a device, which is designed to fluidically connect a fluidic system of the dishwasher, in particular a loading device of the dishwasher, to a washing basket.
  • the connection adapter can in particular have at least one base body, which can serve as a carrier for the washing basket and which has at least one channel structure for fluidically connecting the dishwasher to the washing basket.
  • the connection adapter can be designed in one part or in multiple parts.
  • connection adapter can in particular be reversibly mounted on a washing arm hub of the dishwasher, in particular a loading system of a dishwasher.
  • washing arm hub as used here is a broad term to which its usual and common meaning should be given, as understood by the person skilled in the art. The term is not restricted to a specific or adapted meaning. The term can, without restriction, refer in particular to a dishwasher-side component or a combination of several dishwasher-side components which are designed to mechanically hold a washing arm, in particular to hold it rotatably, and/or which are designed to apply at least one cleaning fluid to a washing arm.
  • the washing arm hub can, for example, itself be mounted rigidly or movably.
  • the washing arm hub itself can be accommodated in the cleaning chamber in a fixed and non-rotatable manner and can, for example, itself provide a bearing for the at least one washing arm, in particular a rotary bearing for the at least one washing arm.
  • the wash arm hub can comprise at least one component of the dishwasher, which on the one hand has a bearing pin for the at least one wash arm and which furthermore has at least one fluid channel for at least one cleaning fluid, for example at least one fluid channel for at least one wash fluid and at least one fluid channel for at least one rinse fluid.
  • the wash arm hub can in particular furthermore have at least one component with which it is possible to attach the wash arm in the dishwasher, in particular in the cleaning chamber.
  • connection adapter can, for example, have a connection socket that can be plugged onto the wash arm hub so that, for example, a washing fluid line in the connection adapter is supplied with washing fluid from the wash arm hub and a rinse fluid line in the connection adapter is supplied with rinse fluid from the wash arm hub.
  • the connection adapter can be connected to the dishwasher's fluid systems.
  • connection adapter can have at least one manually operable latch which can be released in order to attach the connection adapter to the wash arm hub and remove it from the wash arm hub again.
  • connection adapter can be attached to the wash arm hub instead of a wash arm and then exchanged for this wash arm again.
  • connection adapter can in particular have at least one fluid line for at least one cleaning fluid.
  • This at least one fluid line can, for example, be formed or accommodated in at least one base body of the connection adapter.
  • connection adapter can extend, in particular when mounted in the dishwasher, from the wash arm hub to a rear wall of a cleaning chamber of the dishwasher.
  • connection adapter can be essentially S-shaped, with one end of the S being able to be connected to the wash arm hub and an opposite end to the washing basket.
  • the at least one fluid line can in particular open into at least one corresponding connection opening of the connection adapter, for example into a contact surface of the connection adapter, which can be pressed against the washing basket, so that at least one connection opening of the washing basket is aligned with at least one corresponding connection opening of the connection adapter and cleaning fluid can flow into the washing basket.
  • the connection adapter can have at least one fluid adapter, which can be pressed against the washing basket and in which the at least one connection opening of the connection adapter is located.
  • the rinsing basket can have at least one connection opening arranged in a front surface for the supply of cleaning fluid.
  • the rinsing basket can also have at least one opening for the supply of compressed gas. This can be formed separately from the connection opening, for example on an opposite side of the rinsing basket.
  • the at least one connection opening and the at least one opening for the supply of compressed gas can be arranged on opposite sides.
  • the closure device can press the rinsing basket against the connection adapter or vice versa, so that a fluid-tight connection is created between the rinsing basket and the connection adapter.
  • the closure device can be pressed against the rinsing basket so that compressed gas can flow into the rinsing basket from a pressurization device that is fully or partially integrated into the closure device via the opening located there.
  • a valve can be provided in the rinsing basket so that no cleaning fluid can flow into the pressurization device, for example a non-return valve.
  • a method for cleaning items to be cleaned with at least one cavity is proposed, in particular for cleaning at least one vessel and in particular at least one bottle.
  • the method comprises the steps specified below. These steps can be carried out in the order specified. However, a different order is also possible in principle. Furthermore, two or more of the method steps specified can be carried out in an overlapping manner or simultaneously. Furthermore, one or more of the method steps specified can be carried out once or repeatedly. In addition to the steps specified, the method can comprise further method steps which are not specified.
  • the method may in particular comprise the use of a rinsing system according to the present invention, for example according to one or more of the embodiments described above and/or according to one or more of the embodiments described in more detail below.
  • the fan can, for example, be supplied with power through the door by means of a cable, or also, for example, inductively or by means of at least one energy storage device such as an accumulator.
  • an external drying unit can also be used, for example a compressor, and an air line can be led from there through a wall of the cleaning chamber to the connection adapter and/or to the washing basket.
  • at least one valve can be provided in the connection adapter, for example, which selects a switch between a pressurized gas supply and/or a cleaning fluid supply.
  • this valve can comprise at least one air flap and/or a switchover valve.
  • the connection adapter can be involved, for example, in a pressurized gas supply to the washing basket.
  • FIG. 1 An example of a rinsing system 110 for cleaning items to be cleaned 112 is shown in a sectional view from the side.
  • the items to be cleaned 112 have at least one cavity 114.
  • these items to be cleaned 112 can be bottles.
  • the rinsing system 110 comprises a dishwasher 116, which in the example can be designed as a front-loading dishwasher. However, other designs are also possible.
  • the rinsing system 110 also comprises at least one rinsing basket 118 and optionally, as shown in the figure, at least one connection adapter 120.
  • the dishwasher 116 has a housing 122 in which a cleaning chamber 124 is provided for receiving the items to be cleaned 112.
  • This cleaning chamber 124 can be closed by a closure device 126, which in the present case can be designed as a door or flap 128. However, other designs are also possible.
  • the dishwasher 116 further comprises a loading device 130 for loading the items to be cleaned 112 with at least one cleaning fluid.
  • This loading device 130 is only shown schematically and partially here.
  • the loading device 130 can comprise at least one tank 132 and at least one pump 134, as well as one or more nozzle systems 136.
  • One or more tanks 132 can be provided, so that the dishwasher 116 can be designed, for example, as a single-circuit dishwasher or as a multi-circuit dishwasher.
  • the loading device 130 can, for example, comprise a wash arm hub 138 for a lower wash arm, onto which the connection adapter 120 in the form shown in FIG. 13 is mounted instead of the lower wash arm.
  • Figure 1 Generally, the design of the loading device 130 can be exemplary, for example, DE 10 2004 056 052 A1 or DE 10 2007 025 263 A1 However, other configurations are also possible.
  • the dishwasher 116 is configured to receive the washing basket 118 in the cleaning chamber 124, and the application device 130 is configured to apply cleaning fluid to the items to be cleaned 112 by means of nozzles 139 of the washing basket 118, which are described in more detail below.
  • the dishwasher 116 further comprises at least one pressurization device 141 for applying pressurized gas, in particular compressed air, to the items to be cleaned 112.
  • this pressurization device is designed as a fan 143, which can be mounted in or on the door 128.
  • external components can also be used alternatively or additionally, and/or the fan 143 can be arranged entirely or partially at another location.
  • the rinsing system 110 further comprises at least one rinsing basket 118 that can be introduced into the cleaning chamber 124.
  • This has at least one basket base 140 and a plurality of nozzles 139 extending from the basket base 140.
  • the nozzles 139 can extend directly from the basket base 140 or, as shown in the sectional view, can begin at a distance from the basket base 140 and then extend, for example, vertically away from the basket base 140.
  • the items to be cleaned 112 can, for example, be placed on these nozzles 139.
  • the application device 130 is designed to apply the cleaning fluid to the cavity 114 of the items to be cleaned 112 in at least one cleaning step by means of the nozzles 139.
  • This application can be carried out, for example, via the connection adapter 120, which can be pressed against the washing basket 118 in a connection area 142, for example, in order to apply cleaning fluid to at least one fluid feed 144 formed in the basket base 118 and, via this, to at least one fluid channel 146 in the nozzles 139.
  • the dishwasher 116 is furthermore designed to apply compressed gas to the cavity 114 of the items 112 to be cleaned that are placed on the nozzles in at least one drying step by means of the nozzles 139.
  • the pressurization device 141 can, for example, have at least one air channel 148 that is connected to the blower 143.
  • This air channel 148 can, for example, be pressed against the washing basket 118 in order to apply compressed gas, in particular compressed air, to the nozzles 139.
  • This can, for example, be done as in Figure 1 shown, via the same fluid supply 144 and the same fluid channel 146 through which the cleaning fluid is also applied, although this embodiment is not part of the claimed invention.
  • At least one valve 152 for example at least one non-return valve, can be provided, for example, on a connection 150 of the pressurization device 141 to the rinsing basket 118 or at another location in the rinsing system 110.
  • the fluid channel 146 functions in the embodiment according to Figure 1 in dual function as a compressed gas channel 147, and the fluid supply 144 also functions accordingly as a compressed gas supply 145, so that this example does not correspond to the definition of the invention in the present claims.
  • the present invention includes the embodiments in which the at least one compressed gas supply 145 in the washing basket 118 is formed separately from the fluid supply 144, and in which the compressed gas channel 147 is formed separately from the fluid channel 146.
  • connection 150 can be pressed against the rinsing basket 118 so that a gas-tight connection can be created between the air channel 148 and the fluid supply 144.

Landscapes

  • Washing And Drying Of Tableware (AREA)

Claims (13)

  1. Système de lavage (110) pour le nettoyage d'objets à nettoyer (112) ayant au moins une cavité (114), comprenant :
    - au moins une machine de lavage (116), la machine de lavage (116) comprenant au moins une chambre de nettoyage (124) destinée à recevoir les objets à nettoyer (112), la machine de lavage (116) présentant en outre au moins un dispositif d'alimentation (130) destiné à alimenter les objets à nettoyer (112) avec au moins un fluide de nettoyage, la machine de lavage (116) présentant en outre au moins un dispositif (141) d'alimentation en pression destiné à alimenter les objets à nettoyer (112) avec du gaz sous pression ;
    - au moins un panier de lavage (118) apte à être introduit dans la chambre de nettoyage (124), avec au moins un fond de panier (140) et une pluralité de buses (139) s'étendant à partir du fond de panier (140), au moins une amenée (145) de gaz sous pression étant prévue dans le fond de panier (140), au moins un canal (147) de gaz sous pression étant prévu dans chacune des buses (139), l'amenée (145) de gaz sous pression étant en communication fluidique avec le canal (147) de gaz sous pression,
    le dispositif d'alimentation (130) étant conçu pour alimenter en fluide de nettoyage, au cours d'au moins une étape de nettoyage et au moyen des buses (139), les cavités (114) des objets à nettoyer (112) placés sur les buses (139), et la machine de lavage (116) étant en outre conçue pour alimenter en gaz sous pression, au cours d'au moins une étape de séchage, au moyen des buses (139), les cavités (114) des objets à nettoyer (112) placés sur les buses (139),
    caractérisé en ce que le système de lavage (110) est conçu de la manière suivante, pour effectuer l'alimentation des objets à nettoyer (112) en fluide de nettoyage :
    - dans le fond du panier (140), il est en outre prévu au moins une amenée de fluide (144) réalisée séparément de l'amenée (145) de gaz sous pression et dans les buses (139), il est prévu respectivement au moins un canal de fluide (146) réalisé séparément du canal (147) de gaz sous pression, le système de lavage (110) étant aménagé de façon à alimenter en fluide de nettoyage l'amenée de fluide (144) et le canal de fluide (146) au moyen du dispositif d'alimentation (130) et pour alimenter séparément en gaz sous pression l'amenée (145) de gaz sous pression et le canal (147) de gaz sous pression au moyen du dispositif (141) d'alimentation en pression.
  2. Système de lavage (110) selon la revendication précédente, dans lequel le dispositif (141) d'alimentation en pression comprend au moins une soufflante (143) intégrée à la machine de lavage (116).
  3. Système de lavage (110) selon la revendication précédente, dans lequel la soufflante (143) est intégrée dans un dispositif de fermeture (126) de la machine de lavage (116).
  4. Système de lavage (110) selon l'une des revendications précédentes 2 et 3, dans lequel la soufflante (143) comprend au moins une alimentation électrique choisie dans le groupe constitué par : une alimentation électrique externe ; un accumulateur d'énergie ; une alimentation électrique inductive.
  5. Système de lavage (110) selon l'une quelconque des revendications précédentes, dans lequel le dispositif (141) d'alimentation en pression comprend au moins un raccord de gaz sous pression, le système de lavage (110) comprenant en outre une source externe de gaz sous pression, la source externe de gaz sous pression étant apte à être reliée au raccord de gaz sous pression.
  6. Système de lavage (110) selon la revendication précédente, dans lequel la source de gaz sous pression externe comprend au moins un dispositif choisi dans le groupe constitué par : un groupe de séchage externe, notamment une soufflante externe et/ou un compresseur externe ; une conduite de gaz sous pression présente sur le site.
  7. Système de lavage (110) selon l'une des revendications précédentes, le système de lavage (110) comprenant en outre au moins un dispositif de préparation pour préparer le gaz sous pression avant de le soumettre à l'action du produit à nettoyer (112).
  8. Le système de lavage (110) selon la revendication précédente, dans lequel le dispositif de traitement comprend au moins un élément choisi dans le groupe constitué par : un dispositif de séchage ; un filtre ; un dispositif de régulation de température.
  9. Système de lavage (110) selon l'une des revendications précédentes, dans lequel la machine de lavage (116) est agencée de telle manière que le dispositif (141) d'alimentation en pression se relie automatiquement à l'amenée (145) de gaz sous pression.
  10. Système de lavage (110) selon la revendication précédente, dans lequel la machine de lavage (116) comprend au moins un dispositif de fermeture (126), le dispositif (141) d'alimentation en pression étant agencé de telle sorte que celui-ci se relie automatiquement à l'amenée (145) de gaz sous pression lors de la fermeture du dispositif de fermeture (126).
  11. Système de lavage (110) selon l'une des revendications précédentes, comprenant en outre au moins un adaptateur de raccordement (120), l'adaptateur de raccordement (120) étant agencé de façon à relier fluidiquement le dispositif d'alimentation (130) de la machine de lavage (116) au panier de lavage (118) introduit dans la chambre de nettoyage (124).
  12. Système de lavage (110) selon la revendication précédente, dans lequel l'adaptateur de raccordement (120) est distinct du dispositif de mise sous pression (141) .
  13. Procédé de nettoyage d'objets à nettoyer (112) comprenant au moins une cavité (114), notamment au moins un récipient et notamment au moins une bouteille, comprenant les étapes suivantes :
    a) fournir au moins une machine de lavage (116), la machine de lavage (116) comprenant au moins une chambre de nettoyage (124) pour recevoir le produit à nettoyer (112), la machine de lavage (116) présentant en outre au moins un dispositif d'alimentation (130) pour alimenter le produit à nettoyer (112) avec au moins un fluide de nettoyage, la machine de lavage (116) présentant en outre au moins un dispositif (141) d'alimentation en pression pour alimenter le produit à nettoyer (112) avec du gaz sous pression, en particulier de l'air sous pression ;
    b) fournir au moins un panier de lavage (118) apte à être introduit dans la chambre de nettoyage (124), avec au moins un fond de panier (140) et une pluralité de buses (139) s'étendant à partir du fond de panier (140), au moins une amenée (145) de gaz sous pression étant prévue dans le fond de panier (140), au moins un canal (147) de gaz sous pression étant prévu dans chacune des buses (139), l'amenée (145) de gaz sous pression étant en liaison fluidique avec le canal (147) de gaz sous pression ;
    c) enfoncer le produit à nettoyer (112) sur au moins l'une des buses (139), de telle sorte que la buse pénètre dans la cavité (114) du produit à nettoyer (112) ;
    d) injecter le fluide de nettoyage dans la cavité (114) au moyen du dispositif d'injection (130) et des buses (139) ;
    e) sécher la cavité (114) en l'exposant à un gaz sous pression au moyen des buses (139),
    caractérisé en ce que l'exposition du produit à nettoyer (112) au fluide de nettoyage est effectuée de la manière suivante :
    - dans le fond du panier (140), il est en outre prévu au moins une amenée de fluide (144) réalisée séparément de l'amenée (145) de gaz sous pression et dans les buses (139), il est prévu respectivement au moins un canal de fluide (146) réalisé séparément du canal (147) de gaz sous pression, l'amenée de fluide (144) et le canal de fluide (146) étant alimentés en fluide de nettoyage au moyen du dispositif d'alimentation (130) et l'amenée (145) de gaz sous pression et le canal (147) de gaz sous pression étant alimentés séparément en gaz sous pression au moyen du dispositif (141) d'alimentation en pression.
EP20705945.2A 2019-02-18 2020-02-17 Système de lavage pour nettoyer un produit à nettoyer comportant au moins un espace creux Active EP3927222B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102019202152.2A DE102019202152A1 (de) 2019-02-18 2019-02-18 Spülsystem zur Reinigung von Reinigungsgut mit mindestens einem Hohlraum
PCT/EP2020/054056 WO2020169516A1 (fr) 2019-02-18 2020-02-17 Système de lavage pour nettoyer un produit à nettoyer comportant au moins un espace creux

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Publication Number Publication Date
EP3927222A1 EP3927222A1 (fr) 2021-12-29
EP3927222B1 true EP3927222B1 (fr) 2024-10-30

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EP (1) EP3927222B1 (fr)
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WO (1) WO2020169516A1 (fr)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102021100944A1 (de) 2021-01-19 2022-07-21 Miele & Cie. Kg Vorrichtung und Verfahren zum Trocknen von Reinigungsgut und Reinigungs- und Desinfektionsgerät

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US2480227A (en) * 1945-08-29 1949-08-30 Int Harvester Co Sterilizing and drying cabinet using hot air
US3590863A (en) * 1969-04-28 1971-07-06 Sybron Corp Washer for hospital and laboratory glassware and the like
US3908681A (en) * 1973-11-09 1975-09-30 Gen Electric Forced air circulation system for a dishwasher
DE7702174U1 (de) * 1977-01-26 1977-06-16 Rapp, Helmut, 8922 Peiting Einsatzkorb fuer eine spuelmaschine
DE3413386A1 (de) * 1984-04-10 1985-10-17 Miele & Cie GmbH & Co, 4830 Gütersloh Spuelmaschine zum reinigen, desinfizieren und trocknen von medizinischem zubehoer
US5010660A (en) * 1985-12-05 1991-04-30 Labconco Corporation Method and apparatus for drying glassware
DE29722449U1 (de) * 1997-12-19 1998-02-26 Liebl, Reiner, 45527 Hattingen Vorrichtung zum Reinigen von Gefäßen
DE102004056052A1 (de) * 2004-11-19 2006-06-01 Meiko Maschinenbau Gmbh & Co. Kg Verfahren zur Beurteilung und Sicherstellung von thermischer Hygienewirkung
DE102007025263A1 (de) * 2007-05-30 2007-10-31 Meiko Maschinenbau Gmbh & Co. Kg Reinigungsgerät mit Keimreduktion durch Mikrowellen
DE102007056707A1 (de) * 2007-11-26 2009-05-28 BSH Bosch und Siemens Hausgeräte GmbH Geschirrspülmaschine
US8696824B2 (en) * 2009-02-04 2014-04-15 Electrolux Home Products, Inc. Dishwasher, a door assembly for the dishwasher, and an associated method for drying dishware
DE102015013364B4 (de) * 2015-10-16 2023-05-25 Torsten Weigle Vortrocknungseinrichtung für einen Geschirrspüler, Geschirrspüler mit der Vortrocknungseinrichtung, Verfahren zum Vortrocknen von Geschirr
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EP3927222A1 (fr) 2021-12-29
DE102019202152A1 (de) 2020-08-20

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